论文部分内容阅读
要使冲天炉优质、高产、低耗地熔炼铸造生产所需要的铁水,就必须合理解决冲天炉中燃烧、热交换及冶金过程中一些相互对立的矛盾才能实现。从其热工过程来看,解决高产、低耗的任务并不困难,只需使底焦在炉内完全燃烧,尽力减少其物理损失热即可。因随着底焦燃烧完全程度的提高,化学热损失不断下降(如式1、图1所示),则热效率必然提高。Q化=0．68(1—ηv)×100%………(1)式中:Q化:冲天炉化学热损失%
To make cupola high quality, high yield and low consumption smelting the hot metal needed for the production of cast iron, it is necessary to solve some contradictions between the combustion, heat exchange and metallurgical process in the cupola reasonably. From its thermal process point of view, to solve the problem of high yield, low consumption of the task is not difficult, just make the bottom coke in the furnace completely burn, try to reduce its physical loss of heat can be. Because with the bottom coke combustion to improve the degree of complete, chemical heat loss continues to decline (as shown in formula 1, Figure 1), the thermal efficiency must be increased. Q = 0.68 (1-ηv) × 100% (1) Where: Q: cupola chemical heat loss%